Update GPG public key

Taka Nishidarequested to merge
update-gpg-public-key into main

What does this MR do?

This MR updates a GPG public key file.

Why was this MR needed?

Annual update.

What's the best way to test this MR?

What are the relevant issue numbers?

Part of Annual extend GPG key expiration (2026 Feb) (#38791 - closed).

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